[Economic Report of the President (1998)]
[Administration of William J. Clinton]
[Online through the Government Printing Office, www.gpo.gov]



Table B-88.--Maturity distribution and average length of marketable interest-bearing public debt securities held by private investors, 1967-97

Maturity class
Amount      ----------------------------------------------------------------------------------------  Average length
End of year or month        outstanding,                                                                            20 years  and         \1\
privately  held   Within  1 year     1 to 5  years    5 to 10  years      10  to  20          over





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(5)Millions of dollars                   Years              Months

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Fiscal year:
1967..........................  150,321...........  56,561............  53,584............  21,057............  6,153.............  12,968............  5.................  1
1968..........................  159,671...........  66,746............  52,295............  21,850............  6,110.............  12,670............  4.................  5
1969..........................  156,008...........  69,311............  50,182............  18,078............  6,097.............  12,337............  4.................  2

1970..........................  157,910...........  76,443............  57,035............  8,286.............  7,876.............  8,272.............  3.................  8
1971..........................  161,863...........  74,803............  58,557............  14,503............  6,357.............  7,645.............  3.................  6
1972..........................  165,978...........  79,509............  57,157............  16,033............  6,358.............  6,922.............  3.................  3
1973..........................  167,869...........  84,041............  54,139............  16,385............  8,741.............  4,564.............  3.................  1
1974..........................  164,862...........  87,150............  50,103............  14,197............  9,930.............  3,481.............  2.................  11

1975..........................  210,382...........  115,677...........  65,852............  15,385............  8,857.............  4,611.............  2.................  8
1976..........................  279,782...........  150,296...........  90,578............  24,169............  8,087.............  6,652.............  2.................  7
1977..........................  326,674...........  161,329...........  113,319...........  33,067............  8,428.............  10,531............  2.................  11
1978..........................  356,501...........  163,819...........  132,993...........  33,500............  11,383............  14,805............  3.................  3
1979..........................  380,530...........  181,883...........  127,574...........  32,279............  18,489............  20,304............  3.................  7

1980..........................  463,717...........  220,084...........  156,244...........  38,809............  25,901............  22,679............  3.................  9
1981..........................  549,863...........  256,187...........  182,237...........  48,743............  32,569............  30,127............  4.................  0
1982..........................  682,043...........  314,436...........  221,783...........  75,749............  33,017............  37,058............  3.................  11
1983..........................  862,631...........  379,579...........  294,955...........  99,174............  40,826............  48,097............  4.................  1
1984..........................  1,017,488.........  437,941...........  332,808...........  130,417...........  49,664............  66,658............  4.................  6

1985..........................  1,185,675.........  472,661...........  402,766...........  159,383...........  62,853............  88,012............  4.................  11
1986..........................  1,354,275.........  506,903...........  467,348...........  189,995...........  70,664............  119,365...........  5.................  3
1987..........................  1,445,366.........  483,582...........  526,746...........  209,160...........  72,862............  153,016...........  5.................  9
1988..........................  1,555,208.........  524,201...........  552,993...........  232,453...........  74,186............  171,375...........  5.................  9
1989..........................  1,654,660.........  546,751...........  578,333...........  247,428...........  80,616............  201,532...........  6.................  0

1990..........................  1,841,903.........  626,297...........  630,144...........  267,573...........  82,713............  235,176...........  6.................  1
1991..........................  2,113,799.........  713,778...........  761,243...........  280,574...........  84,900............  273,304...........  6.................  0
1992..........................  2,363,802.........  808,705...........  866,329...........  295,921...........  84,706............  308,141...........  5.................  11
1993..........................  2,562,336.........  858,135...........  978,714...........  306,663...........  94,345............  324,479...........  5.................  10
1994..........................  2,719,861.........  877,932...........  1,128,322.........  289,998...........  88,208............  335,401...........  5.................  8

1995..........................  2,870,781.........  1,002,875.........  1,157,492.........  290,111...........  87,297............  333,006...........  5.................  4
1996..........................  3,011,185.........  1,058,558.........  1,212,258.........  306,643...........  111,360...........  322,366...........  5.................  3
1997..........................  2,998,846.........  1,017,913.........  1,206,993.........  321,622...........  154,205...........  298,113...........  5.................  4

1996: Jan.......................  2,937,115.........  1,050,406.........  1,174,222.........  292,525...........  93,339............  326,622...........  5.................  2
Feb.......................  2,994,090.........  1,078,387.........  1,189,173.........  299,298...........  95,090............  332,141...........  5.................  3
Mar.......................  2,980,688.........  1,097,120.........  1,158,416.........  298,496...........  94,990............  331,666...........  5.................  2
Apr.......................  2,968,878.........  1,055,822.........  1,188,828.........  297,917...........  94,820............  331,491...........  5.................  3
May.......................  2,983,624.........  1,061,225.........  1,199,184.........  298,842...........  111,981...........  312,391...........  5.................  3
June......................  2,943,097.........  1,052,190.........  1,168,683.........  299,042...........  111,395...........  311,787...........  5.................  3

July......................  2,996,840.........  1,067,689.........  1,196,678.........  309,371...........  110,820...........  312,282...........  5.................  2
Aug.......................  2,989,680.........  1,074,540.........  1,176,091.........  305,079...........  112,150...........  321,820...........  5.................  3
Sept......................  3,011,185.........  1,058,558.........  1,212,258.........  306,643...........  111,360...........  322,366...........  5.................  3
Oct.......................  3,021,881.........  1,062,308.........  1,207,999.........  317,522...........  111,893...........  322,160...........  5.................  3
Nov.......................  3,028,647.........  1,084,720.........  1,198,931.........  302,951...........  128,832...........  313,214...........  5.................  3
Dec.......................  3,032,551.........  1,061,459.........  1,231,746.........  301,103...........  128,054...........  310,188...........  5.................  3

1997: Jan.......................  3,025,762.........  1,049,217.........  1,230,524.........  302,878...........  128,679...........  314,464...........  5.................  3
Feb.......................  3,052,688.........  1,062,767.........  1,225,904.........  315,125...........  126,023...........  322,870...........  5.................  4
Mar.......................  3,082,541.........  1,087,199.........  1,224,620.........  323,173...........  125,228...........  322,322...........  5.................  3
Apr.......................  2,997,163.........  1,035,135.........  1,199,000.........  327,320...........  119,853...........  315,855...........  5.................  3
May.......................  2,988,194.........  1,024,615.........  1,182,510.........  331,276...........  143,676...........  306,117...........  5.................  5
June......................  2,989,260.........  1,007,563.........  1,206,304.........  330,005...........  141,299...........  304,090...........  5.................  4

July......................  3,002,678.........  1,016,588.........  1,208,014.........  331,086...........  142,476...........  304,514...........  5.................  4
Aug.......................  2,995,863.........  1,033,763.........  1,184,038.........  321,471...........  155,967...........  300,624...........  5.................  5
Sept......................  2,998,846.........  1,017,913.........  1,206,993.........  321,622...........  154,205...........  298,113...........  5.................  4
Oct.......................  2,998,692.........  1,020,602.........  1,200,942.........  320,882...........  154,778...........  301,488...........  5.................  4
Nov.......................  2,988,004.........  1,039,059.........  1,155,293.........  330,129...........  153,997...........  309,526...........  5.................  5
Dec.......................  2,988,654.........  1,027,280.........  1,170,833.........  328,855...........  153,224...........   308,462..........  5.................  5
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\1\ Treasury inflation-indexed notes, first offered in 1997, are excluded from the average length calculation.

Note.--All issues classified to final maturity.
Through fiscal year 1976, the fiscal year was on a July 1-June 30 basis; beginning October 1976 (fiscal year 1977), the fiscal year is on an October 1-September 30 basis.

Source: Department of the Treasury.